Problem Display
PID: 31990 (n1R2B1n/2r1N2K/8/P1k2NRp/Pp1p3r/1P6/2q5/1bQ2B2 w - - 0 1)

Leites, Samuil Davidovich

2nd Prize, Shakhmaty v SSSR, 1936

n1R2B1n/2r1N2K/8/P1k2NRp/Pp1p3r/1P6/2q5/1bQ2B2

#3

11 + 10


3773 FIDE Album (1914-1944) (II) 1972

SOLUTION


  • SOUND
  • Sets
    • 1...Qc4
      • 2.Qxc4#
    • 1...Rc6
      • 2.Rxc6#
    • 1...Ba2
      • 2.Qxc2#
    • 1...Sb6
      • 2.Rxc7#
    • 1...d3
      • 2.Qe3+
        • 2...Rd4
          • 3.Qxd4#
  • Keys
    • 1.Bg2!
      • threat
        • 2.Bxa8
          • threat
            • 3.Rxc7#
          • 2...Rxc8
            • 3.Sxc8#
          • 2...Rc6
            • 3.Rxc6#
        • 2.Rxc7+
          • 2...Sxc7
            • 3.Sc6#
            • 3.Sg6#
            • 3.Sc8#
            • 3.Sg8#
      • 1...Qxc1
        • 2.Rxc7+
          • 2...Sxc7
            • 3.Sc6#
            • 3.Sg6#
            • 3.Sc8#
            • 3.Sg8#
      • 1...Qc3
        • 2.Rxc7+
          • 2...Sxc7
            • 3.Sc6#
            • 3.Sg6#
            • 3.Sc8#
            • 3.Sg8#
      • 1...Re4
        • 2.Sg7+
          • 2...Kd6
            • 3.Rd5#
          • 2...Re5+
            • 3.Sg6#
      • 1...Rf4
        • 2.Rxc7+
          • 2...Sxc7
            • 3.Sc6#
            • 3.Sg6#
            • 3.Sc8#
            • 3.Sg8#
      • 1...Sg6
        • 2.Sg7+
          • 2...Kd6
            • 3.Rd5#
          • 2...Se5+
            • 3.Sef5#
            • 3.Sg6#
        • 2.Rxc7+
          • 2...Sxc7
            • 3.Sxg6#
      • 1...Sf7
        • 2.Sg6+
          • 2...Sd6+
            • 3.Sg7#

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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).